32-ounce bottle of Tracerline TP3320-32 UV Fluorescent White Dye, specifically designed for use in oil-based fluid systems [1, 2, 5].Function: It is a diagnostic dye used to pinpoint leaks in various automotive and industrial systems, including engine oil, transmission fluid, and fuel tanks [1, 3, 5].Detection: When leaked, the dye fluoresces brightly under UV light, making it easier to locate leaks in deteriorating gaskets, seals, and other components [1, 3].Formula: This is an OEM-grade, co-solvent-free formula designed to safely remain in the system after the leak is detected [2, 5].